The parent article says " they limit the number of times that retail editions can be transferred to another device". Doesn't sound to me like a processor or motherboard replacements will be affected, that seems to be the hype of those predicting imminent Microsoft collapse.
I think the "device" is the CPU. There is no way the operating system can tell which box it is in, only which motherboard and processor it is running on.
That means replacing the CPU will be considered a move. I will only be able to replace the CPU once during the life of the OS. For most people this will be no problem. For me, it will suck bigtime.